Interleukin-2 (IL-2) is a cytokine that is critical to the regulation of T-cell responses. IL-2 also has a huge range of immunostimulatory and immunomodulatory functions.

The convolution of two φ-convex functions is estimated by means of an inequality of Hadamard type. The sharpness of this inequality is discussed. As consequence, few inequalities for the convolution ...